These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

A lovely park home with a few interesting guests.

An old railroad grade built for the construction of Hoover Dam is now a recreational trail featuring several tunnels and sweeping views of Lake Mead.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

A surreal, interdimensional shopping center and portal to another universe by Meow Wolf.

Temporary Burning Man sculpture made of two 18-wheelers.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

A museum dedicated to the alleged Roswell Incident.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This steamer is known as "The ship that built Cleveland."

A dazzling display of lights and crystals.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

Famously misunderstood wonder of the ancient world

Northern Ireland's Brobdingnagian stepping stones.

One of only a handful of seaside temples in Korea, this sacred space is home to a legendary healing Buddha statue and a traffic safety prayer pagoda.

The seat of the lost Ryukyu Kingdom has survived numerous fires and wars over the centuries.

Row through this enchanted narrow chasm whose stones are said to resemble dragon scales.